Customer reprogramming is required for the majority of our items to ensure proper functioning. The products purchased will be subject to customs fees, which will remain fully borne by the customer. The product is sold without litium battery in accordance with the regulations in force for transport. The return is the responsibility of the buyer, and the returned part will be checked before the exchange. The seller will cover the shipping costs of the part exchanged. Return Policy: Returns are accepted within 30 working days after receipt. If possible the Goods are exchanged with an duplicate from our stock. If Exchange is not possible Customers will receive Their Money Back. The Serial Number On The Returned Item Must Be the Same As The Serial Number On The Packing List. The Buyer is Resp.